Mailster Gmail — WordPress Email Plugin
Mailster Gmail Integration
by EverPress · WordPress.org page · Website
Mailster Gmail has 1,000+ active installs on WordPress.org and 22,548 downloads all time. It was downloaded 849 times in the last 30 days. The last update was on October 15, 2026, tested up to WordPress 7.1.3.
Mailster Gmail at a glance
Is Mailster Gmail well maintained?
Features
The feature list from the plugin's own readme on WordPress.org, trimmed to the essentials.
- Gmail delivery method — Choose Gmail under Newsletter → Settings → Delivery
- Google OAuth — Enter the OAuth Client ID and Client Secret, then authorize the Google account. The settings screen shows the redirect URI to paste into the…
- Sending address — After authorization, saving settings copies the connected Gmail address into Mailster’s From, Reply-To, and Bounce fields
- Gmail API sending — Mailster messages are sent with users.messages.send for the authorized user. Mailster’s own DKIM signing is turned off for these sends…
- Bounce handling — The addon checks that Gmail mailbox for delivery failures and “please remove me” replies, then unsubscribes or bounces the matching Mailster…
- Redirect URL filter — Developers can change the OAuth redirect with the mailster_gmail_redirect_url filter
Mailster Gmail reviews and ratings
1 reviews on WordPress.org, with the most recent ones as their authors posted them.
1 reviews
- 5★
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- 4★
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- 3★
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- 2★
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- 1★
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Does not work!
Does not work! The problem has been known for a long time, but the developer is silent. Fatal error: Uncaught Error: Call to undefined function Mailster\GuzzleHttp\Psr7\uri_for() in /home/admin/web/…../public_html/wp-content/plugins/mailster-gmail/vendor/google/auth/src/OAuth2.php on line 1129
Siamajor
Download and install history
973 downloads over the last 48 days. Snapshots taken daily from WordPress.org.
Mailster Gmail alternatives
Plugins that solve the same problem, ranked by how closely they overlap with Mailster Gmail.
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Mail Subscribe List 3,000+ installs · 4.4 -
WP Offload SES Lite 10,000+ installs · 4.3 -
MailMunch 5,000+ installs · 4.7 -
Constant Contact Forms by MailMunch 2,000+ installs · 4.2 -
MailOptin 10,000+ installs · 4.8
Details
Deliver Mailster newsletters from a Gmail account using Google OAuth and the Gmail API.
The full description, screenshots and every review live on the WordPress.org page.
Rankings Mailster Gmail competes in
Tags
- gmail
- mailster
- newsletter
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- Version
- 2.0.0
- Last updated
- Oct 15, 2026
- First published
- Jun 22, 2020
- Requires WordPress
- 6.0
- Tested up to
- 7.1.3
- Requires PHP
- 8.1
- Requires plugins
- Mailster
- Pricing
- Free on WordPress.org
Mailster Gmail FAQ
What does Mailster Gmail do?
According to its WordPress.org readme, Mailster Gmail offers Gmail delivery method — Choose Gmail under Newsletter → Settings → Delivery, Google OAuth — Enter the OAuth Client ID and Client Secret, then authorize the Google account. The settings screen shows the redirect URI to paste into the, Sending address — After authorization, saving settings copies the connected Gmail address into Mailster’s From, Reply-To, and Bounce fields, Gmail API sending — Mailster messages are sent with users.messages.send for the authorized user. Mailster’s own DKIM signing is turned off for these sends and Bounce handling — The addon checks that Gmail mailbox for delivery failures and “please remove me” replies, then unsubscribes or bounces the matching Mailster.
How many active installs does Mailster Gmail have?
WordPress.org reports 1,000+ active installs for Mailster Gmail as of October 22, 2026.
Is Mailster Gmail still maintained?
Yes. The last release was on October 15, 2026 and it is tested up to WordPress 7.1.3.
Is Mailster Gmail free?
Mailster Gmail is free to install from WordPress.org. Many plugins also sell a paid version or add-ons.